Guarda su Altadefinizione. What is it that millions of people are encountering on a regular basis? What is it flying through our skies, seemingly with impunity? What is it that shadows our most sophisticated aircraft then performs maneuvers impossible with anything in the military inventories of the world? Join L.A. Marzulli as he shines a light on more disturbing evidence and starting in-person accounts of observations and experiences that demand answers.